/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/EdGraph/RigVMEdGraphSchema.h
Sets the text to the specified pin
virtual void TrySetDefaultText ( [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) & InPin, const [FText](API\Runtime\Core\Internationalization\FText) & InNewDefaultText, bool bMarkAsModified ) const